tidealmanac
Thu, Dec 10

Friday, December 11, 2026

Composite Island, AK · NOAA 9452682 · MLLW · Local time (America/Juneau)

Sat, Dec 12

This is a subordinate station: NOAA predicts its highs and lows from a nearby reference station and publishes no curve for it. Nothing is interpolated.

Tides

  1. High3:11 AM14.8 ft4.50 m
  2. Low8:32 AM5.5 ft1.69 m
  3. High2:17 PM17.8 ft5.44 m
  4. Low9:17 PM-0.5 ft-0.14 m

Range 18.3 ft5.58 m · 4 predicted tides · MLLW

Sun

Civil dawn
7:55 AM
Sunrise
8:48 AM
Solar noon
11:59 AM
Sunset
3:10 PM
Civil dusk
4:04 PM
Daylight
6h 22m

Computed from the station's coordinates (NOAA solar algorithm, ±1 min); not NOAA tide data. Sun calendars: sunupsundown.site.

Moon

Waxing crescent5% illuminated · day 2 of the cycle

Near new or full moon: spring tides, a larger range than average. Approximate phase, computed here.

This week

Tue, Dec 8H 1:24AM 14.6 ft4.46 mL 6:41AM 5.3 ft1.62 mH 12:32PM 18.5 ft5.64 mL 7:33PM -0.9 ft-0.28 mWed, Dec 9H 2:01AM 14.9 ft4.53 mL 7:19AM 5.4 ft1.65 mH 1:07PM 18.5 ft5.63 mL 8:08PM -0.9 ft-0.27 mThu, Dec 10H 2:36AM 14.9 ft4.54 mL 7:56AM 5.5 ft1.67 mH 1:42PM 18.3 ft5.57 mL 8:42PM -0.7 ft-0.23 mFri, Dec 11H 3:11AM 14.8 ft4.50 mL 8:32AM 5.5 ft1.69 mH 2:17PM 17.8 ft5.44 mL 9:17PM -0.5 ft-0.14 mSat, Dec 12H 3:47AM 14.6 ft4.44 mL 9:10AM 5.6 ft1.70 mH 2:53PM 17.2 ft5.23 mL 9:52PM -0.1 ft-0.03 mSun, Dec 13H 4:24AM 14.3 ft4.37 mL 9:51AM 5.6 ft1.72 mH 3:30PM 16.2 ft4.95 mL 10:28PM 0.4 ft0.12 mMon, Dec 14H 5:03AM 14.2 ft4.32 mL 10:37AM 5.6 ft1.72 mH 4:10PM 15.1 ft4.60 mL 11:05PM 1.0 ft0.31 m